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Grant, IA Weather Tomorrow

Check tomorrow's local weather for Grant and explore a complete 5 day forecast covering precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Grant area and around Montgomery county, Iowa.
Updated: Thu Sep 3rd 2026 12:45 AM CDT
Grant, IA Weather – 9-3 – Sunny
102° / 74°
Sunny
In Grant, bright and sunny conditions with highs near 102°F and lows around 74°F. There's a very small chance of rainfall, only about 3% with an estimated 0in. Winds will be strong at speeds peaking at 21mph and gusts of 38.5mph at 3 AM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 66% at 5 AM and 20% being its lowest at 4 PM. Barometric pressure is its highest of 29.84inHg at 8 AM, a lowest point of 29.69inHg at 5 PM with an avg 29.77inHg.
Grant, IA Weather – 9-4 – Overcast
101° / 77°

Weather Tomorrow

Overcast
Skies will be overcast in Grant, with a high of 101°F and a low of 77°F. There's a moderate 36% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 15mph on average and gusts of 36.3mph at 2 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 74% at 10 PM and 20% being its lowest at 4 PM. Barometric pressure is its highest of 29.88inHg at 10 PM, a lowest point of 29.75inHg at 7 PM with an avg 29.82inHg.
Grant, IA Weather – 9-5 – Overcast
96° / 81°
Overcast
Grant may see cloud-filled skies, with daytime highs of 96°F and overnight lows near 81°F. There's a very small chance of rainfall, only about 7% with an estimated 0in. Winds will be light at 9mph and gusts of 18.4mph at 6 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 55% at 12 AM and 26% being its lowest at 6 PM. Barometric pressure is its highest of 29.91inHg at 11 AM, a lowest point of 29.81inHg at 7 PM with an avg 29.86inHg.
Grant, IA Weather – 9-6 – Overcast
100° / 73°
Overcast
Daytime highs will reach 100°F with lows dropping to 73°F in Grant, where it will be overcast. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 20mph on average and gusts of 38.5mph at 11 PM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 75% at 8 PM and 20% being its lowest at 3 PM. Barometric pressure is its highest of 29.94inHg at 9 AM, a lowest point of 29.82inHg at 7 PM with an avg 29.88inHg.
Grant, IA Weather – 9-7 – Overcast
101° / 72°
Overcast
Grant is set for cloud-filled skies with temperatures peaking at 101°F and dipping to 72°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 19mph on average and gusts of 37.1mph at 2 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 76% at 7 AM and 20% being its lowest at 5 PM. Barometric pressure is its highest of 29.91inHg at 8 AM, a lowest point of 29.75inHg at 7 PM with an avg 29.83inHg.
Grant, IA Weather – 9-8 – Sunny
106° / 84°
Sunny
It will be sunny in Grant, with a high of 106°F and a low of 84°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 20mph on average and gusts of 34.7mph at 4 AM. Humidity levels should be comfortable, sitting around 30% on average, the maximum being 50% at 11 PM and 15% being its lowest at 4 PM. Barometric pressure is its highest of 29.85inHg at 11 PM, a lowest point of 29.74inHg at 4 PM with an avg 29.81inHg.

Currently

Clear 77°F
29.8 inHg.
Barometer
57%
Humidity
S 15.8 mph
Wind
Clear

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