Observed 4:45 AM MDT at KLGU

Mendon, UT weather

Overcast and 43°6°.

Forecasts agree

Now 43°6°

Cloudy

Wind: 3 mph5 km/h; From the west. 35–5 mph8 km/h through 5 PM
Dew point: 37°3°; Comfortable
UV index: 0Low; Moderate 11 AM–5 PM · peak 4
Air quality: 20Good; Main pollutant: Ozone

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

6°3° cooler than this time yesterday (49°9° then, 43°6° now)

Good hours for

Low 36°2° today at 8 AM
Above 50°10° today by 1 PM
High 57°14° today at 4 PM
Below 50°10° tonight after 8 PM

This morningUp to 45°7° by 11 AM · Partly cloudy
This afternoonUp to 57°14° by 4 PM · Clear
TonightDown to 36°2° by 5 AM · Clear
Tomorrow morningUp to 46°8° by 11 AM · Clear
Tomorrow afternoonUp to 56°13° by 4 PM · Clear
Tomorrow nightDown to 38°3° by 4 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5a	Partly cloudy	38°3° (likely 37°3° to 42°6°)	34°1°	0%	5 mph8 km/h from WNW, gusts 7 mph11 km/h	100%	49%	0
Sat 6a	Mostly clear	38°3° (likely 37°3° to 41°5°)	34°1°	0%	5 mph8 km/h from WNW, gusts 6 mph10 km/h	100%	43%	0
Sat 7a	Partly cloudy	37°3° (likely 37°3° to 40°4°)	33°1°	0%	5 mph8 km/h from WNW, gusts 6 mph10 km/h	100%	46%	0
Sat 8a	Sunny	36°2° (likely 36°2° to 40°4°)	32°0°	0%	5 mph8 km/h from WNW, gusts 6 mph10 km/h	100%	18%	0
Sat 9a	Sunny	38°3° (likely 38°3° to 41°5°)	34°1°	0%	5 mph8 km/h from NW, gusts 6 mph9 km/h	100%	12%	0
Sat 10a	Sunny	41°5° (likely 41°5° to 44°7°)	38°3°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	96%	10%	1
Sat 11a	Sunny	45°7° (likely 44°7° to 47°8°)	43°6°	0%	5 mph8 km/h from NW, gusts 6 mph9 km/h	89%	9%	3
Sat 12p	Sunny	48°9° (likely 47°8° to 50°10°)	47°8°	0%	3 mph5 km/h from NNE, gusts 7 mph11 km/h	81%	8%	4
Sat 1p	Sunny	52°11° (likely 50°10° to 52°11°)	52°11°	0%	3 mph5 km/h from NNE, gusts 8 mph13 km/h	75%	9%	4
Sat 2p	Sunny	54°12° (likely 52°11° to 54°12°)	54°12°	0%	3 mph5 km/h from NNE, gusts 8 mph13 km/h	68%	23%	4
Sat 3p	Sunny	56°13° (likely 54°12° to 56°13°)	56°13°	0%	3 mph5 km/h from NE, gusts 8 mph12 km/h	60%	21%	4
Sat 4p	Sunny	57°14° (likely 55°13° to 57°14°)	57°14°	0%	3 mph5 km/h from NE, gusts 8 mph12 km/h	58%	21%	3
Sat 5p	Sunny	56°13° (likely 55°13° to 57°14°)	56°13°	0%	3 mph5 km/h from NE, gusts 8 mph13 km/h	60%	20%	2
Sat 6p	Sunny	54°12° (likely 52°11° to 55°13°)	54°12°	0%	3 mph5 km/h from NW, gusts 7 mph12 km/h	67%	2%	1
Sat 7p	Clear	51°11° (likely 49°9° to 51°11°)	51°11°	0%	3 mph5 km/h from NW, gusts 6 mph10 km/h	76%	0%	0
Sat 8p	Clear	47°8° (likely 46°8° to 49°9°)	46°8°	0%	3 mph5 km/h from NW, gusts 7 mph12 km/h	79%	1%	0
Sat 9p	Clear	46°8° (likely 44°7° to 48°9°)	44°7°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	79%	0%	0
Sat 10p	Clear	45°7° (likely 42°6° to 47°8°)	43°6°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	79%	0%	0
Sat 11p	Clear	43°6° (likely 40°4° to 46°8°)	40°4°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	81%	2%	0
Sun 12a	Clear	41°5° (likely 39°4° to 45°7°)	39°4°	0%	3 mph5 km/h from WSW, gusts 6 mph10 km/h	84%	0%	0
Sun 1a	Clear	40°4° (likely 38°3° to 44°7°)	38°3°	0%	3 mph5 km/h from WSW, gusts 5 mph7 km/h	84%	0%	0
Sun 2a	Mostly clear	39°4° (likely 37°3° to 44°7°)	37°3°	0%	3 mph5 km/h from WSW, gusts 6 mph9 km/h	89%	43%	0
Sun 3a	Partly cloudy	38°3° (likely 36°2° to 44°7°)	36°2°	0%	3 mph5 km/h from WNW, gusts 5 mph8 km/h	92%	45%	0
Sun 4a	Partly cloudy	37°3° (likely 36°2° to 43°6°)	34°1°	0%	3 mph5 km/h from WNW, gusts 4 mph7 km/h	93%	38%	0
Sun 5a	Clear	36°2° (likely 35°2° to 42°6°)	33°1°	0%	3 mph5 km/h from WNW, gusts 4 mph6 km/h	93%	3%	0
Sun 6a	Clear	36°2° (likely 35°2° to 40°4°)	36°2°	0%	2 mph3 km/h from SE, gusts 3 mph5 km/h	92%	1%	0
Sun 7a	Partly cloudy	35°2° (likely 34°1° to 40°4°)	35°2°	0%	2 mph3 km/h from SE, gusts 2 mph4 km/h	96%	44%	0
Sun 8a	Partly sunny	34°1° (likely 34°1° to 40°4°)	34°1°	0%	2 mph3 km/h from SE, gusts 2 mph4 km/h	96%	32%	0
Sun 9a	Sunny	37°3° (likely 36°2° to 41°5°)	34°1°	0%	3 mph5 km/h from E, gusts 2 mph3 km/h	92%	12%	0
Sun 10a	Sunny	43°6° (likely 42°6° to 45°7°)	41°5°	0%	3 mph5 km/h from E, gusts 2 mph4 km/h	83%	14%	1
Sun 11a	Sunny	46°8° (likely 46°8° to 49°9°)	45°7°	0%	3 mph5 km/h from E, gusts 4 mph6 km/h	78%	30%	3
Sun 12p	Sunny	49°9° (likely 49°9° to 53°12°)	49°9°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	73%	27%	4
Sun 1p	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	71%	12%	4
Sun 2p	Sunny	54°12° (likely 54°12° to 58°14°)	54°12°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	69%	11%	4
Sun 3p	Sunny	55°13° (likely 55°13° to 59°15°)	55°13°	0%	2 mph3 km/h from WSW, gusts 5 mph8 km/h	64%	11%	4
Sun 4p	Mostly sunny	56°13° (likely 56°13° to 59°15°)	56°13°	0%	2 mph3 km/h from WSW, gusts 4 mph7 km/h	63%	16%	3
Sun 5p	Mostly sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	2 mph3 km/h from WSW, gusts 4 mph6 km/h	65%	24%	2
Sun 6p	Sunny	53°12° (likely 52°11° to 55°13°)	53°12°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	72%	9%	1
Sun 7p	Clear	50°10° (likely 49°9° to 52°11°)	50°10°	0%	2 mph3 km/h from S, gusts 5 mph7 km/h	82%	2%	0
Sun 8p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	2 mph3 km/h from S, gusts 5 mph7 km/h	85%	3%	0
Sun 9p	Clear	46°8° (likely 46°8° to 49°9°)	45°7°	0%	3 mph5 km/h from SSE, gusts 4 mph6 km/h	85%	4%	0
Sun 10p	Clear	45°7° (likely 44°7° to 47°8°)	44°7°	0%	3 mph5 km/h from SSE, gusts 3 mph5 km/h	86%	3%	0
Sun 11p	Clear	44°7° (likely 41°5° to 45°7°)	42°6°	0%	3 mph5 km/h from SSE, gusts 3 mph5 km/h	87%	4%	0
Mon 12a	Clear	43°6° (likely 39°4° to 45°7°)	43°6°	0%	2 mph3 km/h from ESE, gusts 3 mph5 km/h	88%	6%	0
Mon 1a	Clear	42°6° (likely 35°2° to 46°8°)	42°6°	0%	2 mph3 km/h from ESE, gusts 3 mph5 km/h	90%	3%	0
Mon 2a	Clear	40°4° (likely 33°1° to 45°7°)	40°4°	0%	2 mph3 km/h from ESE, gusts 3 mph4 km/h	92%	3%	0
Mon 3a	Clear	39°4° (likely 32°0° to 45°7°)	39°4°	0%	2 mph3 km/h from ESE, gusts 3 mph4 km/h	94%	4%	0
Mon 4a	Mostly clear	38°3° (likely 31°−1° to 44°7°)	38°3°	0%	2 mph3 km/h from ESE, gusts 2 mph4 km/h	95%	8%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 57°14°, low 36°2°. Typical 57°14° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 36°2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 57. North wind around 5 mph.
Tonight: Partly cloudy. Low around 36, with temperatures rising to around 38 overnight. West northwest wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
55°13°–57°14°
Low, likely
36°2°–40°4°
Typical high / low
57°14° / 36°2°
Wind
9 mph15 km/h, gusts 15 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 56°13°, low 36°2°. Typical 56°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 56. South wind around 3 mph.
Night: Mostly clear, with a low around 36. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–59°15°
Low, likely
34°1°–40°4°
Typical high / low
56°13° / 36°2°
Wind
8 mph12 km/h
UV peak
4
Monday, Oct 26. Rain. High 59°15°, low 37°3°. Typical 56°13° / 35°2°. Rain 0.09 in2.3 mm, 0% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Rain, 49°9°
  30% chance · 0.1 in2.5 mm
4. Overnight
  midnight–6 AM
  Rain, 41°5°
  50% chance · 0.13 in3.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: A chance of rain before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then rain likely. Mostly cloudy, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–61°16°
Low, likely
31°−1°–41°5°
Typical high / low
56°13° / 35°2°
Wind
16 mph26 km/h, gusts 31 mph49 km/h
UV peak
4
Tuesday, Oct 27. Rain. High 53°12°, low 32°0°. Typical 55°13° / 35°2°. Rain 0.15 in3.8 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 38°3°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 51°11°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 53.
Night: Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–53°12°
Low, likely
32°0°–40°4°
Typical high / low
55°13° / 35°2°
Wind
14 mph22 km/h, gusts 27 mph44 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 58°14°, low 36°2°. Typical 55°13° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 58.
Night: Partly cloudy, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–58°14°
Low, likely
30°−1°–37°3°
Typical high / low
55°13° / 35°2°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 60°16°, low 39°4°. Typical 54°12° / 34°1°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 60°16°).
High, likely
58°14°–62°17°
Low, likely
35°2°–39°4°
Typical high / low
54°12° / 34°1°
Wind
13 mph21 km/h, gusts 21 mph34 km/h
UV peak
3
Friday, Oct 30. Rain. High 58°14°, low 43°6°. Typical 54°12° / 34°1°. Rain 0.36 in9.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  30% chance · 0.1 in2.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  30% chance · 0.12 in3.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 49°9°
  40% chance · 0.15 in3.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 42°6°
  50% chance · 0.07 in1.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 58.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–58°14°
Low, likely
40°4°–45°7°
Typical high / low
54°12° / 34°1°
Wind
14 mph23 km/h, gusts 23 mph36 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 50°10°, low 37°3°. Typical 53°12° / 34°1°. Rain 0.18 in4.6 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 41°5°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 51°10°
  40% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Clear, 42°6°
  30% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
46°8°–56°13°
Low, likely
30°−1°–45°7°
Typical high / low
53°12° / 34°1°
Wind
6 mph10 km/h, gusts 20 mph31 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 48°9°, low 35°2°. Typical 53°12° / 34°1°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°4°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 49°10°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  20% chance · 0.06 in1.4 mm
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  20% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–57°14°
Low, likely
25°−4°–42°6°
Typical high / low
53°12° / 34°1°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
3
Monday, Nov 2. Mostly sunny. High 49°9°, low 33°1°. Typical 52°11° / 33°1°. Rain 0.2 in5.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  30% chance · 0.3 in0.8 cm
2. Afternoon
  noon–6 PM
  Sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–56°13°
Low, likely
29°−2°–38°3°
Typical high / low
52°11° / 33°1°
Wind
6 mph10 km/h, gusts 17 mph27 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 57°, low 36°.
Tomorrow
Dry, high 56°, low 36°.
Monday
Dry, high 59°, low 37°, warming up.
Rest of week
Highs 48–60°; chance of precipitation on Tuesday, Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SLC) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Logan River near Logan

10 mi

Below flood stage

Level: 2.6 ft
Flow: 96 cfs

Forecast peak 2.6 ft Sat 5 AM

Reading from Sat 4 AM · NWS gauge page

Bear River near Corinne

11 mi

Below flood stage

Level: 4.5 ft
Flow: 769 cfs

Forecast peak 4.4 ft Sat 10 PM

Reading from Sat 3:30 AM · NWS gauge page

Little Bear River at Paradise

11 mi

Below flood stage

Level: 4.9 ft
Flow: 43 cfs

Forecast peak 4.8 ft Sat 5 AM

Reading from Sat 3:45 AM · NWS gauge page

Blacksmith Fork River near Hyrum

14 mi

Below flood stage

Level: 3.4 ft
Flow: 50 cfs

Forecast peak 3.4 ft Sat 5 AM

Reading from Sat 3:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 72% less heating than a typical week.

This week 39Typical 139

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 31
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

LOGAN UTAH ST U · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 9°5° warmer than normal (daily mean temperature).

+5°+3°SunOct 18
+6°+3°MonOct 19
+11°+6°TueOct 20
+11°+6°WedOct 21
+14°+8°ThuOct 22
+7°+4°FriOct 23
—SatOct 24

Mendon weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 42 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:54–6:50 PM; Morning 7:33–8:29 AM
Blue hour: 6:50–7:01 PM; Morning 7:22–7:33 AM; first light 7:22 AM

Stars tonight? Poor

Clouds most of the night (about 46% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:08 AM · rises 5:32 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Mendon. The highest point on the skyline is about 9,300 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 2× taller. Sky, sun and moon as they are now.

Mendon, UT weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Logan River near Logan

Bear River near Corinne

Little Bear River at Paradise

Blacksmith Fork River near Hyrum

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon