10-day forecast for Simms, MT: 22° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Friday, October 9
34° · 0.67 in
Worst day: Sunday, October 11
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1047° / 34°0.56
Morning41°feels 39°
Afternoon47°feels 41°
Evening36°feels 28°
Overnight44°feels 40°
47 °
Simms, Saturday, 10 October
Snow. High 47°, low 34°.
Pressure29.80 inHg
Wind11.7 mph N
Humidity88%
Visibility2.3 mi
Dew point40°
Sun, 1134° / 30°0.67
Morning31°feels 21°
Afternoon32°feels 22°
Evening31°feels 21°
Overnight33°feels 24°
34 °
Simms, Sunday, 11 October
Snow. High 34°, low 30°.
Pressure30.12 inHg
Wind13.9 mph N
Humidity99%
Visibility0.8 mi
Dew point31°
Mon, 1232° / 25°0.28
Morning30°feels 21°
Afternoon32°feels 28°
Evening27°feels 27°
Overnight30°feels 20°
32 °
Simms, Monday, 12 October
Snow. High 32°, low 25°.
Pressure30.18 inHg
Wind7 mph N
Humidity98%
Visibility6.2 mi
Dew point29°
Tue, 1336° / 22°0
Morning25°feels 16°
Afternoon33°feels 27°
Evening33°feels 30°
Overnight23°feels 16°
36 °
Simms, Tuesday, 13 October
Mostly clear. High 36°, low 22°.
Pressure30.09 inHg
Wind9.3 mph SW
Humidity94%
Visibility—
Dew point30°
Wed, 1446° / 31°0
Morning36°feels 28°
Afternoon42°feels 34°
Evening44°feels 37°
Overnight39°feels 33°
46 °
Simms, Wednesday, 14 October
Partly cloudy. High 46°, low 31°.
Pressure29.94 inHg
Wind18.9 mph SW
Humidity73%
Visibility—
Dew point33°
Thu, 1543° / 34°0.01
Morning37°feels 28°
Afternoon40°feels 32°
Evening39°feels 33°
Overnight35°feels 29°
43 °
Simms, Thursday, 15 October
Light rain. High 43°, low 34°.
Pressure30.53 inHg
Wind21.2 mph N
Humidity46%
Visibility—
Dew point20°
Fri, 1655° / 28°0
Morning33°feels 27°
Afternoon47°feels 40°
Evening48°feels 43°
Overnight40°feels 34°
55 °
Simms, Friday, 16 October
Clear. High 55°, low 28°.
Pressure30.36 inHg
Wind15.9 mph S
Humidity43%
Visibility—
Dew point22°
Sat, 1764° / 41°0
Morning45°feels 40°
Afternoon56°feels 53°
Evening56°feels 54°
Overnight50°feels 47°
64 °
Simms, Saturday, 17 October
Partly cloudy. High 64°, low 41°.
Pressure30.09 inHg
Wind14.2 mph S
Humidity36%
Visibility—
Dew point27°
Sun, 1854° / 46°0
Morning50°feels 47°
Afternoon51°feels 48°
Evening51°feels 48°
Overnight48°feels 47°
54 °
Simms, Sunday, 18 October
Overcast. High 54°, low 46°.
Pressure30.09 inHg
Wind7.4 mph SW
Humidity44%
Visibility—
Dew point29°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Simms, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.